Home / 92,019,489.40-137,912,010.90-48,909,345.40

Finding the Fourth Proportional to 92,019,489.40, 137,912,010.90 and 48,909,345.40

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Solution

The fourth proportional to 92,019,489.40, 137,912,010.90 and 48,909,345.40 is: 73,301,712.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,019,489.40 : 137,912,010.90 = 48,909,345.40 : x
  2. Step 2: Convert to fraction form
    92,019,489.40/137,912,010.90 = 48,909,345.40/x
  3. Step 3: Cross multiply
    92,019,489.40x = 137,912,010.90 × 48,909,345.40
  4. Step 4: Simplify right side
    92,019,489.40x = 6,745,186,175,916,665
  5. Step 5: Solve for x
    x = 6,745,186,175,916,665/92,019,489.40
  6. Step 6: Final answer
    x = 73,301,712.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.